Main entry: eventful
Definition: full of events or incidents
Usage: the most exhausting and eventful day of my life
Antonyms: uneventful
Definition: marked by no noteworthy or significant events
Antonyms: dull
Definition: lacking in liveliness or animation
Main entry: eventful, consequential
Definition: having important issues or results
Usage: the year's only really consequential legislation; an eventful decision
Antonyms: unimportant
Definition: not important